Jan ( N = 139 )

Feb ( N = 373 )

Mar ( N = 380 )

Apr ( N = 368 )

May ( N = 388 )

Jun ( N = 418 )

Jul ( N = 474 )

Aug ( N = 455 )

Sep ( N = 464 )

Oct ( N = 450 )

Nov ( N = 415 )

Dec ( N = 334 )